6905 search results - page 425 / 1381 » Querying Multidimensional Databases |
177
Voted
IDEAS
2007
IEEE
16 years 1 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
196
click to vote
VLDB
2007
ACM
16 years 29 days ago
2007
ACM
There is a growing consensus that it is desirable to query over the structure implicit in unstructured documents, and that ideally this capability should be provided incrementally...
215
Voted
ICDE
2006
IEEE
16 years 27 days ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
210
click to vote
WWW
2005
ACM
16 years 12 days ago
2005
ACM
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
181
Voted
ISCIS
2004
Springer
16 years 6 days ago
2004
Springer
One of the classic data mining problems is discovery of frequent itemsets. This problem particularly attracts database community as it resembles traditional database querying. In t...